【正文】
d field of application1 適用范圍和領(lǐng)域This standard specifies tolerances for product grade F screws, bolts and nuts with thread diameters from 1 to 3 mm.本標(biāo)準(zhǔn)詳細(xì)說明了產(chǎn)品等級F的螺紋直徑為13毫米的螺絲、螺釘和螺母的公差。 Feinmechanik und Optik (Precision Mechanics and Optics Standards Committee).本標(biāo)準(zhǔn)由精密技工和光學(xué)標(biāo)準(zhǔn)委員會制備。3 Thread lengths3 螺紋長度P = pitch of thread P=螺距4 Nominal lengths4 公稱長度Continued on pages 2 to 5.詳見第2頁到第5頁。 technische Lieferbedingungen, Ausf252。It is remended that this standard should also be used for nonstandardized fasteners.本標(biāo)準(zhǔn)同樣適用于非標(biāo)準(zhǔn)化的緊固件。9 / 9。 2 Threa